Author:
=======
Adam Langley <agl@imperialviolet.org>

Contributors:
=============
Dan Bloomberg <dan.bloomberg@gmail.com>
Misty De Meo <mistydemeo@gmail.com>
zdenop <zdenop@gmail.com>
Steven Lee http://www.rubypdf.com
Radim Hatlapatka <hata.radim@gmail.com>
Alexander Kobel <a-kobel@a-kobel.de>
James R. Barlow <james@purplerock.ca>
MarkJoy <markjoy999@gmail.com>
zvezdochiot <mykaralw@yandex.ru>
